At least for me, its not been a huge issue, have replaced 4 thermostat harnesses, that were obviously open circuit, but its annoying, for sharp to suddenly move to non reset-able stats. I have taken a few apart, and there is a small plastic mini dowel, in them them that makes them hard to reset. I had tried, the canned freeze method, and smacking them on a surface, to flip the dielectric plate, but its not a guaranteed fix. Leo34staffs, mentioned using an adhesive to pull the plate back out, I havent tried it yet but, his idea seems good. I was thinking a wax to do the same thing. As the new thermo-detect goes, they seem to pop quite a bit less than the canister thermostats used to, so that is a plus.
Where the heck is my spring hook?
A lot of toshibas had non resetable thermostats and we would slap the face of the thermostat and it would pop the concave heat reactive disk back out and they work good as new again,as long as you fix whatever made it pop in the first place. I have not tried it but I heard if you put the thermostat into the freezer it will make that disk pop back out.
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